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-rw-r--r--drivers/net/bnx2.c48
-rw-r--r--drivers/net/cxgb3/cxgb3_main.c2
-rw-r--r--drivers/net/e1000e/82571.c20
-rw-r--r--drivers/net/e1000e/e1000.h5
-rw-r--r--drivers/net/e1000e/netdev.c70
-rw-r--r--drivers/net/gianfar.c6
-rw-r--r--drivers/net/ixgbe/ixgbe_82599.c62
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c22
-rw-r--r--drivers/net/ixgbe/ixgbe_type.h2
-rw-r--r--drivers/net/pcmcia/smc91c92_cs.c31
-rw-r--r--drivers/net/r8169.c32
-rw-r--r--drivers/net/sfc/efx.c4
-rw-r--r--drivers/net/sfc/falcon.c4
-rw-r--r--drivers/net/sfc/falcon_boards.c13
-rw-r--r--drivers/net/sfc/nic.h2
-rw-r--r--drivers/net/sfc/siena.c13
-rw-r--r--drivers/net/tg3.c1
-rw-r--r--drivers/net/usb/Kconfig10
-rw-r--r--drivers/net/usb/Makefile1
-rw-r--r--drivers/net/usb/cdc_ether.c1
-rw-r--r--drivers/net/usb/ipheth.c15
-rw-r--r--drivers/net/usb/kaweth.c1
-rw-r--r--drivers/net/usb/sierra_net.c1001
23 files changed, 1230 insertions, 136 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index a257babd1bb4..ac90a3828f69 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -58,8 +58,8 @@
58#include "bnx2_fw.h" 58#include "bnx2_fw.h"
59 59
60#define DRV_MODULE_NAME "bnx2" 60#define DRV_MODULE_NAME "bnx2"
61#define DRV_MODULE_VERSION "2.0.8" 61#define DRV_MODULE_VERSION "2.0.9"
62#define DRV_MODULE_RELDATE "Feb 15, 2010" 62#define DRV_MODULE_RELDATE "April 27, 2010"
63#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-5.0.0.j6.fw" 63#define FW_MIPS_FILE_06 "bnx2/bnx2-mips-06-5.0.0.j6.fw"
64#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-5.0.0.j3.fw" 64#define FW_RV2P_FILE_06 "bnx2/bnx2-rv2p-06-5.0.0.j3.fw"
65#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-5.0.0.j9.fw" 65#define FW_MIPS_FILE_09 "bnx2/bnx2-mips-09-5.0.0.j9.fw"
@@ -651,9 +651,10 @@ bnx2_napi_enable(struct bnx2 *bp)
651} 651}
652 652
653static void 653static void
654bnx2_netif_stop(struct bnx2 *bp) 654bnx2_netif_stop(struct bnx2 *bp, bool stop_cnic)
655{ 655{
656 bnx2_cnic_stop(bp); 656 if (stop_cnic)
657 bnx2_cnic_stop(bp);
657 if (netif_running(bp->dev)) { 658 if (netif_running(bp->dev)) {
658 int i; 659 int i;
659 660
@@ -671,14 +672,15 @@ bnx2_netif_stop(struct bnx2 *bp)
671} 672}
672 673
673static void 674static void
674bnx2_netif_start(struct bnx2 *bp) 675bnx2_netif_start(struct bnx2 *bp, bool start_cnic)
675{ 676{
676 if (atomic_dec_and_test(&bp->intr_sem)) { 677 if (atomic_dec_and_test(&bp->intr_sem)) {
677 if (netif_running(bp->dev)) { 678 if (netif_running(bp->dev)) {
678 netif_tx_wake_all_queues(bp->dev); 679 netif_tx_wake_all_queues(bp->dev);
679 bnx2_napi_enable(bp); 680 bnx2_napi_enable(bp);
680 bnx2_enable_int(bp); 681 bnx2_enable_int(bp);
681 bnx2_cnic_start(bp); 682 if (start_cnic)
683 bnx2_cnic_start(bp);
682 } 684 }
683 } 685 }
684} 686}
@@ -4759,8 +4761,12 @@ bnx2_reset_chip(struct bnx2 *bp, u32 reset_code)
4759 rc = bnx2_alloc_bad_rbuf(bp); 4761 rc = bnx2_alloc_bad_rbuf(bp);
4760 } 4762 }
4761 4763
4762 if (bp->flags & BNX2_FLAG_USING_MSIX) 4764 if (bp->flags & BNX2_FLAG_USING_MSIX) {
4763 bnx2_setup_msix_tbl(bp); 4765 bnx2_setup_msix_tbl(bp);
4766 /* Prevent MSIX table reads and write from timing out */
4767 REG_WR(bp, BNX2_MISC_ECO_HW_CTL,
4768 BNX2_MISC_ECO_HW_CTL_LARGE_GRC_TMOUT_EN);
4769 }
4764 4770
4765 return rc; 4771 return rc;
4766} 4772}
@@ -6273,12 +6279,12 @@ bnx2_reset_task(struct work_struct *work)
6273 return; 6279 return;
6274 } 6280 }
6275 6281
6276 bnx2_netif_stop(bp); 6282 bnx2_netif_stop(bp, true);
6277 6283
6278 bnx2_init_nic(bp, 1); 6284 bnx2_init_nic(bp, 1);
6279 6285
6280 atomic_set(&bp->intr_sem, 1); 6286 atomic_set(&bp->intr_sem, 1);
6281 bnx2_netif_start(bp); 6287 bnx2_netif_start(bp, true);
6282 rtnl_unlock(); 6288 rtnl_unlock();
6283} 6289}
6284 6290
@@ -6320,7 +6326,7 @@ bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
6320 struct bnx2 *bp = netdev_priv(dev); 6326 struct bnx2 *bp = netdev_priv(dev);
6321 6327
6322 if (netif_running(dev)) 6328 if (netif_running(dev))
6323 bnx2_netif_stop(bp); 6329 bnx2_netif_stop(bp, false);
6324 6330
6325 bp->vlgrp = vlgrp; 6331 bp->vlgrp = vlgrp;
6326 6332
@@ -6331,7 +6337,7 @@ bnx2_vlan_rx_register(struct net_device *dev, struct vlan_group *vlgrp)
6331 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN) 6337 if (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)
6332 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1); 6338 bnx2_fw_sync(bp, BNX2_DRV_MSG_CODE_KEEP_VLAN_UPDATE, 0, 1);
6333 6339
6334 bnx2_netif_start(bp); 6340 bnx2_netif_start(bp, false);
6335} 6341}
6336#endif 6342#endif
6337 6343
@@ -7051,9 +7057,9 @@ bnx2_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal)
7051 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS; 7057 bp->stats_ticks &= BNX2_HC_STATS_TICKS_HC_STAT_TICKS;
7052 7058
7053 if (netif_running(bp->dev)) { 7059 if (netif_running(bp->dev)) {
7054 bnx2_netif_stop(bp); 7060 bnx2_netif_stop(bp, true);
7055 bnx2_init_nic(bp, 0); 7061 bnx2_init_nic(bp, 0);
7056 bnx2_netif_start(bp); 7062 bnx2_netif_start(bp, true);
7057 } 7063 }
7058 7064
7059 return 0; 7065 return 0;
@@ -7083,7 +7089,7 @@ bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
7083 /* Reset will erase chipset stats; save them */ 7089 /* Reset will erase chipset stats; save them */
7084 bnx2_save_stats(bp); 7090 bnx2_save_stats(bp);
7085 7091
7086 bnx2_netif_stop(bp); 7092 bnx2_netif_stop(bp, true);
7087 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET); 7093 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET);
7088 bnx2_free_skbs(bp); 7094 bnx2_free_skbs(bp);
7089 bnx2_free_mem(bp); 7095 bnx2_free_mem(bp);
@@ -7111,7 +7117,7 @@ bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
7111 bnx2_setup_cnic_irq_info(bp); 7117 bnx2_setup_cnic_irq_info(bp);
7112 mutex_unlock(&bp->cnic_lock); 7118 mutex_unlock(&bp->cnic_lock);
7113#endif 7119#endif
7114 bnx2_netif_start(bp); 7120 bnx2_netif_start(bp, true);
7115 } 7121 }
7116 return 0; 7122 return 0;
7117} 7123}
@@ -7364,7 +7370,7 @@ bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7364 if (etest->flags & ETH_TEST_FL_OFFLINE) { 7370 if (etest->flags & ETH_TEST_FL_OFFLINE) {
7365 int i; 7371 int i;
7366 7372
7367 bnx2_netif_stop(bp); 7373 bnx2_netif_stop(bp, true);
7368 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG); 7374 bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_DIAG);
7369 bnx2_free_skbs(bp); 7375 bnx2_free_skbs(bp);
7370 7376
@@ -7383,7 +7389,7 @@ bnx2_self_test(struct net_device *dev, struct ethtool_test *etest, u64 *buf)
7383 bnx2_shutdown_chip(bp); 7389 bnx2_shutdown_chip(bp);
7384 else { 7390 else {
7385 bnx2_init_nic(bp, 1); 7391 bnx2_init_nic(bp, 1);
7386 bnx2_netif_start(bp); 7392 bnx2_netif_start(bp, true);
7387 } 7393 }
7388 7394
7389 /* wait for link up */ 7395 /* wait for link up */
@@ -8377,7 +8383,7 @@ bnx2_suspend(struct pci_dev *pdev, pm_message_t state)
8377 return 0; 8383 return 0;
8378 8384
8379 flush_scheduled_work(); 8385 flush_scheduled_work();
8380 bnx2_netif_stop(bp); 8386 bnx2_netif_stop(bp, true);
8381 netif_device_detach(dev); 8387 netif_device_detach(dev);
8382 del_timer_sync(&bp->timer); 8388 del_timer_sync(&bp->timer);
8383 bnx2_shutdown_chip(bp); 8389 bnx2_shutdown_chip(bp);
@@ -8399,7 +8405,7 @@ bnx2_resume(struct pci_dev *pdev)
8399 bnx2_set_power_state(bp, PCI_D0); 8405 bnx2_set_power_state(bp, PCI_D0);
8400 netif_device_attach(dev); 8406 netif_device_attach(dev);
8401 bnx2_init_nic(bp, 1); 8407 bnx2_init_nic(bp, 1);
8402 bnx2_netif_start(bp); 8408 bnx2_netif_start(bp, true);
8403 return 0; 8409 return 0;
8404} 8410}
8405 8411
@@ -8426,7 +8432,7 @@ static pci_ers_result_t bnx2_io_error_detected(struct pci_dev *pdev,
8426 } 8432 }
8427 8433
8428 if (netif_running(dev)) { 8434 if (netif_running(dev)) {
8429 bnx2_netif_stop(bp); 8435 bnx2_netif_stop(bp, true);
8430 del_timer_sync(&bp->timer); 8436 del_timer_sync(&bp->timer);
8431 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET); 8437 bnx2_reset_nic(bp, BNX2_DRV_MSG_CODE_RESET);
8432 } 8438 }
@@ -8483,7 +8489,7 @@ static void bnx2_io_resume(struct pci_dev *pdev)
8483 8489
8484 rtnl_lock(); 8490 rtnl_lock();
8485 if (netif_running(dev)) 8491 if (netif_running(dev))
8486 bnx2_netif_start(bp); 8492 bnx2_netif_start(bp, true);
8487 8493
8488 netif_device_attach(dev); 8494 netif_device_attach(dev);
8489 rtnl_unlock(); 8495 rtnl_unlock();
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index aced6c5e635c..e3f1b8566495 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -439,7 +439,7 @@ static void free_irq_resources(struct adapter *adapter)
439static int await_mgmt_replies(struct adapter *adap, unsigned long init_cnt, 439static int await_mgmt_replies(struct adapter *adap, unsigned long init_cnt,
440 unsigned long n) 440 unsigned long n)
441{ 441{
442 int attempts = 5; 442 int attempts = 10;
443 443
444 while (adap->sge.qs[0].rspq.offload_pkts < init_cnt + n) { 444 while (adap->sge.qs[0].rspq.offload_pkts < init_cnt + n) {
445 if (!--attempts) 445 if (!--attempts)
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 712ccc66ba25..90155552ea09 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -336,7 +336,6 @@ static s32 e1000_get_variants_82571(struct e1000_adapter *adapter)
336 struct e1000_hw *hw = &adapter->hw; 336 struct e1000_hw *hw = &adapter->hw;
337 static int global_quad_port_a; /* global port a indication */ 337 static int global_quad_port_a; /* global port a indication */
338 struct pci_dev *pdev = adapter->pdev; 338 struct pci_dev *pdev = adapter->pdev;
339 u16 eeprom_data = 0;
340 int is_port_b = er32(STATUS) & E1000_STATUS_FUNC_1; 339 int is_port_b = er32(STATUS) & E1000_STATUS_FUNC_1;
341 s32 rc; 340 s32 rc;
342 341
@@ -387,16 +386,15 @@ static s32 e1000_get_variants_82571(struct e1000_adapter *adapter)
387 if (pdev->device == E1000_DEV_ID_82571EB_SERDES_QUAD) 386 if (pdev->device == E1000_DEV_ID_82571EB_SERDES_QUAD)
388 adapter->flags &= ~FLAG_HAS_WOL; 387 adapter->flags &= ~FLAG_HAS_WOL;
389 break; 388 break;
390
391 case e1000_82573: 389 case e1000_82573:
390 case e1000_82574:
391 case e1000_82583:
392 /* Disable ASPM L0s due to hardware errata */
393 e1000e_disable_aspm(adapter->pdev, PCIE_LINK_STATE_L0S);
394
392 if (pdev->device == E1000_DEV_ID_82573L) { 395 if (pdev->device == E1000_DEV_ID_82573L) {
393 if (e1000_read_nvm(&adapter->hw, NVM_INIT_3GIO_3, 1, 396 adapter->flags |= FLAG_HAS_JUMBO_FRAMES;
394 &eeprom_data) < 0) 397 adapter->max_hw_frame_size = DEFAULT_JUMBO;
395 break;
396 if (!(eeprom_data & NVM_WORD1A_ASPM_MASK)) {
397 adapter->flags |= FLAG_HAS_JUMBO_FRAMES;
398 adapter->max_hw_frame_size = DEFAULT_JUMBO;
399 }
400 } 398 }
401 break; 399 break;
402 default: 400 default:
@@ -1792,6 +1790,7 @@ struct e1000_info e1000_82571_info = {
1792 | FLAG_RESET_OVERWRITES_LAA /* errata */ 1790 | FLAG_RESET_OVERWRITES_LAA /* errata */
1793 | FLAG_TARC_SPEED_MODE_BIT /* errata */ 1791 | FLAG_TARC_SPEED_MODE_BIT /* errata */
1794 | FLAG_APME_CHECK_PORT_B, 1792 | FLAG_APME_CHECK_PORT_B,
1793 .flags2 = FLAG2_DISABLE_ASPM_L1, /* errata 13 */
1795 .pba = 38, 1794 .pba = 38,
1796 .max_hw_frame_size = DEFAULT_JUMBO, 1795 .max_hw_frame_size = DEFAULT_JUMBO,
1797 .get_variants = e1000_get_variants_82571, 1796 .get_variants = e1000_get_variants_82571,
@@ -1809,6 +1808,7 @@ struct e1000_info e1000_82572_info = {
1809 | FLAG_RX_CSUM_ENABLED 1808 | FLAG_RX_CSUM_ENABLED
1810 | FLAG_HAS_CTRLEXT_ON_LOAD 1809 | FLAG_HAS_CTRLEXT_ON_LOAD
1811 | FLAG_TARC_SPEED_MODE_BIT, /* errata */ 1810 | FLAG_TARC_SPEED_MODE_BIT, /* errata */
1811 .flags2 = FLAG2_DISABLE_ASPM_L1, /* errata 13 */
1812 .pba = 38, 1812 .pba = 38,
1813 .max_hw_frame_size = DEFAULT_JUMBO, 1813 .max_hw_frame_size = DEFAULT_JUMBO,
1814 .get_variants = e1000_get_variants_82571, 1814 .get_variants = e1000_get_variants_82571,
@@ -1820,13 +1820,11 @@ struct e1000_info e1000_82572_info = {
1820struct e1000_info e1000_82573_info = { 1820struct e1000_info e1000_82573_info = {
1821 .mac = e1000_82573, 1821 .mac = e1000_82573,
1822 .flags = FLAG_HAS_HW_VLAN_FILTER 1822 .flags = FLAG_HAS_HW_VLAN_FILTER
1823 | FLAG_HAS_JUMBO_FRAMES
1824 | FLAG_HAS_WOL 1823 | FLAG_HAS_WOL
1825 | FLAG_APME_IN_CTRL3 1824 | FLAG_APME_IN_CTRL3
1826 | FLAG_RX_CSUM_ENABLED 1825 | FLAG_RX_CSUM_ENABLED
1827 | FLAG_HAS_SMART_POWER_DOWN 1826 | FLAG_HAS_SMART_POWER_DOWN
1828 | FLAG_HAS_AMT 1827 | FLAG_HAS_AMT
1829 | FLAG_HAS_ERT
1830 | FLAG_HAS_SWSM_ON_LOAD, 1828 | FLAG_HAS_SWSM_ON_LOAD,
1831 .pba = 20, 1829 .pba = 20,
1832 .max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN, 1830 .max_hw_frame_size = ETH_FRAME_LEN + ETH_FCS_LEN,
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index 118bdf483593..ee32b9b27a9f 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -37,6 +37,7 @@
37#include <linux/io.h> 37#include <linux/io.h>
38#include <linux/netdevice.h> 38#include <linux/netdevice.h>
39#include <linux/pci.h> 39#include <linux/pci.h>
40#include <linux/pci-aspm.h>
40 41
41#include "hw.h" 42#include "hw.h"
42 43
@@ -374,7 +375,7 @@ struct e1000_adapter {
374struct e1000_info { 375struct e1000_info {
375 enum e1000_mac_type mac; 376 enum e1000_mac_type mac;
376 unsigned int flags; 377 unsigned int flags;
377 unsigned int flags2; 378 unsigned int flags2;
378 u32 pba; 379 u32 pba;
379 u32 max_hw_frame_size; 380 u32 max_hw_frame_size;
380 s32 (*get_variants)(struct e1000_adapter *); 381 s32 (*get_variants)(struct e1000_adapter *);
@@ -421,6 +422,7 @@ struct e1000_info {
421#define FLAG2_CRC_STRIPPING (1 << 0) 422#define FLAG2_CRC_STRIPPING (1 << 0)
422#define FLAG2_HAS_PHY_WAKEUP (1 << 1) 423#define FLAG2_HAS_PHY_WAKEUP (1 << 1)
423#define FLAG2_IS_DISCARDING (1 << 2) 424#define FLAG2_IS_DISCARDING (1 << 2)
425#define FLAG2_DISABLE_ASPM_L1 (1 << 3)
424 426
425#define E1000_RX_DESC_PS(R, i) \ 427#define E1000_RX_DESC_PS(R, i) \
426 (&(((union e1000_rx_desc_packet_split *)((R).desc))[i])) 428 (&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
@@ -461,6 +463,7 @@ extern void e1000e_update_stats(struct e1000_adapter *adapter);
461extern bool e1000e_has_link(struct e1000_adapter *adapter); 463extern bool e1000e_has_link(struct e1000_adapter *adapter);
462extern void e1000e_set_interrupt_capability(struct e1000_adapter *adapter); 464extern void e1000e_set_interrupt_capability(struct e1000_adapter *adapter);
463extern void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter); 465extern void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter);
466extern void e1000e_disable_aspm(struct pci_dev *pdev, u16 state);
464 467
465extern unsigned int copybreak; 468extern unsigned int copybreak;
466 469
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 73d43c53015a..fb8fc7d1b50d 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4283,6 +4283,14 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
4283 return -EINVAL; 4283 return -EINVAL;
4284 } 4284 }
4285 4285
4286 /* 82573 Errata 17 */
4287 if (((adapter->hw.mac.type == e1000_82573) ||
4288 (adapter->hw.mac.type == e1000_82574)) &&
4289 (max_frame > ETH_FRAME_LEN + ETH_FCS_LEN)) {
4290 adapter->flags2 |= FLAG2_DISABLE_ASPM_L1;
4291 e1000e_disable_aspm(adapter->pdev, PCIE_LINK_STATE_L1);
4292 }
4293
4286 while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) 4294 while (test_and_set_bit(__E1000_RESETTING, &adapter->state))
4287 msleep(1); 4295 msleep(1);
4288 /* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */ 4296 /* e1000e_down -> e1000e_reset dependent on max_frame_size & mtu */
@@ -4605,29 +4613,39 @@ static void e1000_complete_shutdown(struct pci_dev *pdev, bool sleep,
4605 } 4613 }
4606} 4614}
4607 4615
4608static void e1000e_disable_l1aspm(struct pci_dev *pdev) 4616#ifdef CONFIG_PCIEASPM
4617static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
4618{
4619 pci_disable_link_state(pdev, state);
4620}
4621#else
4622static void __e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
4609{ 4623{
4610 int pos; 4624 int pos;
4611 u16 val; 4625 u16 reg16;
4612 4626
4613 /* 4627 /*
4614 * 82573 workaround - disable L1 ASPM on mobile chipsets 4628 * Both device and parent should have the same ASPM setting.
4615 * 4629 * Disable ASPM in downstream component first and then upstream.
4616 * L1 ASPM on various mobile (ich7) chipsets do not behave properly
4617 * resulting in lost data or garbage information on the pci-e link
4618 * level. This could result in (false) bad EEPROM checksum errors,
4619 * long ping times (up to 2s) or even a system freeze/hang.
4620 *
4621 * Unfortunately this feature saves about 1W power consumption when
4622 * active.
4623 */ 4630 */
4624 pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); 4631 pos = pci_pcie_cap(pdev);
4625 pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &val); 4632 pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &reg16);
4626 if (val & 0x2) { 4633 reg16 &= ~state;
4627 dev_warn(&pdev->dev, "Disabling L1 ASPM\n"); 4634 pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16);
4628 val &= ~0x2; 4635
4629 pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, val); 4636 pos = pci_pcie_cap(pdev->bus->self);
4630 } 4637 pci_read_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, &reg16);
4638 reg16 &= ~state;
4639 pci_write_config_word(pdev->bus->self, pos + PCI_EXP_LNKCTL, reg16);
4640}
4641#endif
4642void e1000e_disable_aspm(struct pci_dev *pdev, u16 state)
4643{
4644 dev_info(&pdev->dev, "Disabling ASPM %s %s\n",
4645 (state & PCIE_LINK_STATE_L0S) ? "L0s" : "",
4646 (state & PCIE_LINK_STATE_L1) ? "L1" : "");
4647
4648 __e1000e_disable_aspm(pdev, state);
4631} 4649}
4632 4650
4633#ifdef CONFIG_PM 4651#ifdef CONFIG_PM
@@ -4653,7 +4671,8 @@ static int e1000_resume(struct pci_dev *pdev)
4653 pci_set_power_state(pdev, PCI_D0); 4671 pci_set_power_state(pdev, PCI_D0);
4654 pci_restore_state(pdev); 4672 pci_restore_state(pdev);
4655 pci_save_state(pdev); 4673 pci_save_state(pdev);
4656 e1000e_disable_l1aspm(pdev); 4674 if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
4675 e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
4657 4676
4658 err = pci_enable_device_mem(pdev); 4677 err = pci_enable_device_mem(pdev);
4659 if (err) { 4678 if (err) {
@@ -4795,7 +4814,8 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
4795 int err; 4814 int err;
4796 pci_ers_result_t result; 4815 pci_ers_result_t result;
4797 4816
4798 e1000e_disable_l1aspm(pdev); 4817 if (adapter->flags2 & FLAG2_DISABLE_ASPM_L1)
4818 e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
4799 err = pci_enable_device_mem(pdev); 4819 err = pci_enable_device_mem(pdev);
4800 if (err) { 4820 if (err) {
4801 dev_err(&pdev->dev, 4821 dev_err(&pdev->dev,
@@ -4889,13 +4909,6 @@ static void e1000_eeprom_checks(struct e1000_adapter *adapter)
4889 dev_warn(&adapter->pdev->dev, 4909 dev_warn(&adapter->pdev->dev,
4890 "Warning: detected DSPD enabled in EEPROM\n"); 4910 "Warning: detected DSPD enabled in EEPROM\n");
4891 } 4911 }
4892
4893 ret_val = e1000_read_nvm(hw, NVM_INIT_3GIO_3, 1, &buf);
4894 if (!ret_val && (le16_to_cpu(buf) & (3 << 2))) {
4895 /* ASPM enable */
4896 dev_warn(&adapter->pdev->dev,
4897 "Warning: detected ASPM enabled in EEPROM\n");
4898 }
4899} 4912}
4900 4913
4901static const struct net_device_ops e1000e_netdev_ops = { 4914static const struct net_device_ops e1000e_netdev_ops = {
@@ -4944,7 +4957,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
4944 u16 eeprom_data = 0; 4957 u16 eeprom_data = 0;
4945 u16 eeprom_apme_mask = E1000_EEPROM_APME; 4958 u16 eeprom_apme_mask = E1000_EEPROM_APME;
4946 4959
4947 e1000e_disable_l1aspm(pdev); 4960 if (ei->flags2 & FLAG2_DISABLE_ASPM_L1)
4961 e1000e_disable_aspm(pdev, PCIE_LINK_STATE_L1);
4948 4962
4949 err = pci_enable_device_mem(pdev); 4963 err = pci_enable_device_mem(pdev);
4950 if (err) 4964 if (err)
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index df49af382159..4e97ca182997 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1511,9 +1511,9 @@ static void gfar_halt_nodisable(struct net_device *dev)
1511 tempval |= (DMACTRL_GRS | DMACTRL_GTS); 1511 tempval |= (DMACTRL_GRS | DMACTRL_GTS);
1512 gfar_write(&regs->dmactrl, tempval); 1512 gfar_write(&regs->dmactrl, tempval);
1513 1513
1514 while (!(gfar_read(&regs->ievent) & 1514 spin_event_timeout(((gfar_read(&regs->ievent) &
1515 (IEVENT_GRSC | IEVENT_GTSC))) 1515 (IEVENT_GRSC | IEVENT_GTSC)) ==
1516 cpu_relax(); 1516 (IEVENT_GRSC | IEVENT_GTSC)), -1, 0);
1517 } 1517 }
1518} 1518}
1519 1519
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index b405a00817c6..12fc0e7ba2ca 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -39,6 +39,8 @@
39#define IXGBE_82599_MC_TBL_SIZE 128 39#define IXGBE_82599_MC_TBL_SIZE 128
40#define IXGBE_82599_VFT_TBL_SIZE 128 40#define IXGBE_82599_VFT_TBL_SIZE 128
41 41
42void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
43void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
42void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw); 44void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
43s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw, 45s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
44 ixgbe_link_speed speed, 46 ixgbe_link_speed speed,
@@ -69,8 +71,14 @@ static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
69 if (hw->phy.multispeed_fiber) { 71 if (hw->phy.multispeed_fiber) {
70 /* Set up dual speed SFP+ support */ 72 /* Set up dual speed SFP+ support */
71 mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber; 73 mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber;
74 mac->ops.disable_tx_laser =
75 &ixgbe_disable_tx_laser_multispeed_fiber;
76 mac->ops.enable_tx_laser =
77 &ixgbe_enable_tx_laser_multispeed_fiber;
72 mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber; 78 mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber;
73 } else { 79 } else {
80 mac->ops.disable_tx_laser = NULL;
81 mac->ops.enable_tx_laser = NULL;
74 mac->ops.flap_tx_laser = NULL; 82 mac->ops.flap_tx_laser = NULL;
75 if ((mac->ops.get_media_type(hw) == 83 if ((mac->ops.get_media_type(hw) ==
76 ixgbe_media_type_backplane) && 84 ixgbe_media_type_backplane) &&
@@ -415,6 +423,44 @@ s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
415 return status; 423 return status;
416} 424}
417 425
426 /**
427 * ixgbe_disable_tx_laser_multispeed_fiber - Disable Tx laser
428 * @hw: pointer to hardware structure
429 *
430 * The base drivers may require better control over SFP+ module
431 * PHY states. This includes selectively shutting down the Tx
432 * laser on the PHY, effectively halting physical link.
433 **/
434void ixgbe_disable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
435{
436 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
437
438 /* Disable tx laser; allow 100us to go dark per spec */
439 esdp_reg |= IXGBE_ESDP_SDP3;
440 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
441 IXGBE_WRITE_FLUSH(hw);
442 udelay(100);
443}
444
445/**
446 * ixgbe_enable_tx_laser_multispeed_fiber - Enable Tx laser
447 * @hw: pointer to hardware structure
448 *
449 * The base drivers may require better control over SFP+ module
450 * PHY states. This includes selectively turning on the Tx
451 * laser on the PHY, effectively starting physical link.
452 **/
453void ixgbe_enable_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
454{
455 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
456
457 /* Enable tx laser; allow 100ms to light up */
458 esdp_reg &= ~IXGBE_ESDP_SDP3;
459 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
460 IXGBE_WRITE_FLUSH(hw);
461 msleep(100);
462}
463
418/** 464/**
419 * ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser 465 * ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser
420 * @hw: pointer to hardware structure 466 * @hw: pointer to hardware structure
@@ -429,23 +475,11 @@ s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
429 **/ 475 **/
430void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw) 476void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
431{ 477{
432 u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
433
434 hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n"); 478 hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n");
435 479
436 if (hw->mac.autotry_restart) { 480 if (hw->mac.autotry_restart) {
437 /* Disable tx laser; allow 100us to go dark per spec */ 481 ixgbe_disable_tx_laser_multispeed_fiber(hw);
438 esdp_reg |= IXGBE_ESDP_SDP3; 482 ixgbe_enable_tx_laser_multispeed_fiber(hw);
439 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
440 IXGBE_WRITE_FLUSH(hw);
441 udelay(100);
442
443 /* Enable tx laser; allow 100ms to light up */
444 esdp_reg &= ~IXGBE_ESDP_SDP3;
445 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
446 IXGBE_WRITE_FLUSH(hw);
447 msleep(100);
448
449 hw->mac.autotry_restart = false; 483 hw->mac.autotry_restart = false;
450 } 484 }
451} 485}
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 8f677cb86290..6c00ee493a3b 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -2982,6 +2982,10 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
2982 else 2982 else
2983 ixgbe_configure_msi_and_legacy(adapter); 2983 ixgbe_configure_msi_and_legacy(adapter);
2984 2984
2985 /* enable the optics */
2986 if (hw->phy.multispeed_fiber)
2987 hw->mac.ops.enable_tx_laser(hw);
2988
2985 clear_bit(__IXGBE_DOWN, &adapter->state); 2989 clear_bit(__IXGBE_DOWN, &adapter->state);
2986 ixgbe_napi_enable_all(adapter); 2990 ixgbe_napi_enable_all(adapter);
2987 2991
@@ -3243,6 +3247,10 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
3243 /* signal that we are down to the interrupt handler */ 3247 /* signal that we are down to the interrupt handler */
3244 set_bit(__IXGBE_DOWN, &adapter->state); 3248 set_bit(__IXGBE_DOWN, &adapter->state);
3245 3249
3250 /* power down the optics */
3251 if (hw->phy.multispeed_fiber)
3252 hw->mac.ops.disable_tx_laser(hw);
3253
3246 /* disable receive for all VFs and wait one second */ 3254 /* disable receive for all VFs and wait one second */
3247 if (adapter->num_vfs) { 3255 if (adapter->num_vfs) {
3248 /* ping all the active vfs to let them know we are going down */ 3256 /* ping all the active vfs to let them know we are going down */
@@ -6253,6 +6261,10 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
6253 goto err_eeprom; 6261 goto err_eeprom;
6254 } 6262 }
6255 6263
6264 /* power down the optics */
6265 if (hw->phy.multispeed_fiber)
6266 hw->mac.ops.disable_tx_laser(hw);
6267
6256 init_timer(&adapter->watchdog_timer); 6268 init_timer(&adapter->watchdog_timer);
6257 adapter->watchdog_timer.function = &ixgbe_watchdog; 6269 adapter->watchdog_timer.function = &ixgbe_watchdog;
6258 adapter->watchdog_timer.data = (unsigned long)adapter; 6270 adapter->watchdog_timer.data = (unsigned long)adapter;
@@ -6400,16 +6412,6 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
6400 del_timer_sync(&adapter->sfp_timer); 6412 del_timer_sync(&adapter->sfp_timer);
6401 cancel_work_sync(&adapter->watchdog_task); 6413 cancel_work_sync(&adapter->watchdog_task);
6402 cancel_work_sync(&adapter->sfp_task); 6414 cancel_work_sync(&adapter->sfp_task);
6403 if (adapter->hw.phy.multispeed_fiber) {
6404 struct ixgbe_hw *hw = &adapter->hw;
6405 /*
6406 * Restart clause 37 autoneg, disable and re-enable
6407 * the tx laser, to clear & alert the link partner
6408 * that it needs to restart autotry
6409 */
6410 hw->mac.autotry_restart = true;
6411 hw->mac.ops.flap_tx_laser(hw);
6412 }
6413 cancel_work_sync(&adapter->multispeed_fiber_task); 6415 cancel_work_sync(&adapter->multispeed_fiber_task);
6414 cancel_work_sync(&adapter->sfp_config_module_task); 6416 cancel_work_sync(&adapter->sfp_config_module_task);
6415 if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE || 6417 if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index 4ec6dc1a5b75..534affcc38ca 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -2398,6 +2398,8 @@ struct ixgbe_mac_operations {
2398 s32 (*enable_rx_dma)(struct ixgbe_hw *, u32); 2398 s32 (*enable_rx_dma)(struct ixgbe_hw *, u32);
2399 2399
2400 /* Link */ 2400 /* Link */
2401 void (*disable_tx_laser)(struct ixgbe_hw *);
2402 void (*enable_tx_laser)(struct ixgbe_hw *);
2401 void (*flap_tx_laser)(struct ixgbe_hw *); 2403 void (*flap_tx_laser)(struct ixgbe_hw *);
2402 s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool); 2404 s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool);
2403 s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool); 2405 s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool);
diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c
index fd9d6e34fda4..ccc553782a0d 100644
--- a/drivers/net/pcmcia/smc91c92_cs.c
+++ b/drivers/net/pcmcia/smc91c92_cs.c
@@ -1804,23 +1804,30 @@ static void media_check(u_long arg)
1804 SMC_SELECT_BANK(1); 1804 SMC_SELECT_BANK(1);
1805 media |= (inw(ioaddr + CONFIG) & CFG_AUI_SELECT) ? 2 : 1; 1805 media |= (inw(ioaddr + CONFIG) & CFG_AUI_SELECT) ? 2 : 1;
1806 1806
1807 SMC_SELECT_BANK(saved_bank);
1808 spin_unlock_irqrestore(&smc->lock, flags);
1809
1807 /* Check for pending interrupt with watchdog flag set: with 1810 /* Check for pending interrupt with watchdog flag set: with
1808 this, we can limp along even if the interrupt is blocked */ 1811 this, we can limp along even if the interrupt is blocked */
1809 if (smc->watchdog++ && ((i>>8) & i)) { 1812 if (smc->watchdog++ && ((i>>8) & i)) {
1810 if (!smc->fast_poll) 1813 if (!smc->fast_poll)
1811 printk(KERN_INFO "%s: interrupt(s) dropped!\n", dev->name); 1814 printk(KERN_INFO "%s: interrupt(s) dropped!\n", dev->name);
1815 local_irq_save(flags);
1812 smc_interrupt(dev->irq, dev); 1816 smc_interrupt(dev->irq, dev);
1817 local_irq_restore(flags);
1813 smc->fast_poll = HZ; 1818 smc->fast_poll = HZ;
1814 } 1819 }
1815 if (smc->fast_poll) { 1820 if (smc->fast_poll) {
1816 smc->fast_poll--; 1821 smc->fast_poll--;
1817 smc->media.expires = jiffies + HZ/100; 1822 smc->media.expires = jiffies + HZ/100;
1818 add_timer(&smc->media); 1823 add_timer(&smc->media);
1819 SMC_SELECT_BANK(saved_bank);
1820 spin_unlock_irqrestore(&smc->lock, flags);
1821 return; 1824 return;
1822 } 1825 }
1823 1826
1827 spin_lock_irqsave(&smc->lock, flags);
1828
1829 saved_bank = inw(ioaddr + BANK_SELECT);
1830
1824 if (smc->cfg & CFG_MII_SELECT) { 1831 if (smc->cfg & CFG_MII_SELECT) {
1825 if (smc->mii_if.phy_id < 0) 1832 if (smc->mii_if.phy_id < 0)
1826 goto reschedule; 1833 goto reschedule;
@@ -1978,15 +1985,16 @@ static int smc_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
1978 unsigned int ioaddr = dev->base_addr; 1985 unsigned int ioaddr = dev->base_addr;
1979 u16 saved_bank = inw(ioaddr + BANK_SELECT); 1986 u16 saved_bank = inw(ioaddr + BANK_SELECT);
1980 int ret; 1987 int ret;
1988 unsigned long flags;
1981 1989
1982 spin_lock_irq(&smc->lock); 1990 spin_lock_irqsave(&smc->lock, flags);
1983 SMC_SELECT_BANK(3); 1991 SMC_SELECT_BANK(3);
1984 if (smc->cfg & CFG_MII_SELECT) 1992 if (smc->cfg & CFG_MII_SELECT)
1985 ret = mii_ethtool_gset(&smc->mii_if, ecmd); 1993 ret = mii_ethtool_gset(&smc->mii_if, ecmd);
1986 else 1994 else
1987 ret = smc_netdev_get_ecmd(dev, ecmd); 1995 ret = smc_netdev_get_ecmd(dev, ecmd);
1988 SMC_SELECT_BANK(saved_bank); 1996 SMC_SELECT_BANK(saved_bank);
1989 spin_unlock_irq(&smc->lock); 1997 spin_unlock_irqrestore(&smc->lock, flags);
1990 return ret; 1998 return ret;
1991} 1999}
1992 2000
@@ -1996,15 +2004,16 @@ static int smc_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
1996 unsigned int ioaddr = dev->base_addr; 2004 unsigned int ioaddr = dev->base_addr;
1997 u16 saved_bank = inw(ioaddr + BANK_SELECT); 2005 u16 saved_bank = inw(ioaddr + BANK_SELECT);
1998 int ret; 2006 int ret;
2007 unsigned long flags;
1999 2008
2000 spin_lock_irq(&smc->lock); 2009 spin_lock_irqsave(&smc->lock, flags);
2001 SMC_SELECT_BANK(3); 2010 SMC_SELECT_BANK(3);
2002 if (smc->cfg & CFG_MII_SELECT) 2011 if (smc->cfg & CFG_MII_SELECT)
2003 ret = mii_ethtool_sset(&smc->mii_if, ecmd); 2012 ret = mii_ethtool_sset(&smc->mii_if, ecmd);
2004 else 2013 else
2005 ret = smc_netdev_set_ecmd(dev, ecmd); 2014 ret = smc_netdev_set_ecmd(dev, ecmd);
2006 SMC_SELECT_BANK(saved_bank); 2015 SMC_SELECT_BANK(saved_bank);
2007 spin_unlock_irq(&smc->lock); 2016 spin_unlock_irqrestore(&smc->lock, flags);
2008 return ret; 2017 return ret;
2009} 2018}
2010 2019
@@ -2014,12 +2023,13 @@ static u32 smc_get_link(struct net_device *dev)
2014 unsigned int ioaddr = dev->base_addr; 2023 unsigned int ioaddr = dev->base_addr;
2015 u16 saved_bank = inw(ioaddr + BANK_SELECT); 2024 u16 saved_bank = inw(ioaddr + BANK_SELECT);
2016 u32 ret; 2025 u32 ret;
2026 unsigned long flags;
2017 2027
2018 spin_lock_irq(&smc->lock); 2028 spin_lock_irqsave(&smc->lock, flags);
2019 SMC_SELECT_BANK(3); 2029 SMC_SELECT_BANK(3);
2020 ret = smc_link_ok(dev); 2030 ret = smc_link_ok(dev);
2021 SMC_SELECT_BANK(saved_bank); 2031 SMC_SELECT_BANK(saved_bank);
2022 spin_unlock_irq(&smc->lock); 2032 spin_unlock_irqrestore(&smc->lock, flags);
2023 return ret; 2033 return ret;
2024} 2034}
2025 2035
@@ -2056,16 +2066,17 @@ static int smc_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
2056 int rc = 0; 2066 int rc = 0;
2057 u16 saved_bank; 2067 u16 saved_bank;
2058 unsigned int ioaddr = dev->base_addr; 2068 unsigned int ioaddr = dev->base_addr;
2069 unsigned long flags;
2059 2070
2060 if (!netif_running(dev)) 2071 if (!netif_running(dev))
2061 return -EINVAL; 2072 return -EINVAL;
2062 2073
2063 spin_lock_irq(&smc->lock); 2074 spin_lock_irqsave(&smc->lock, flags);
2064 saved_bank = inw(ioaddr + BANK_SELECT); 2075 saved_bank = inw(ioaddr + BANK_SELECT);
2065 SMC_SELECT_BANK(3); 2076 SMC_SELECT_BANK(3);
2066 rc = generic_mii_ioctl(&smc->mii_if, mii, cmd, NULL); 2077 rc = generic_mii_ioctl(&smc->mii_if, mii, cmd, NULL);
2067 SMC_SELECT_BANK(saved_bank); 2078 SMC_SELECT_BANK(saved_bank);
2068 spin_unlock_irq(&smc->lock); 2079 spin_unlock_irqrestore(&smc->lock, flags);
2069 return rc; 2080 return rc;
2070} 2081}
2071 2082
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index dbb1f5a1824c..4748c21eb72e 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2759,6 +2759,7 @@ static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
2759{ 2759{
2760 iounmap(ioaddr); 2760 iounmap(ioaddr);
2761 pci_release_regions(pdev); 2761 pci_release_regions(pdev);
2762 pci_clear_mwi(pdev);
2762 pci_disable_device(pdev); 2763 pci_disable_device(pdev);
2763 free_netdev(dev); 2764 free_netdev(dev);
2764} 2765}
@@ -2825,8 +2826,13 @@ static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
2825 spin_lock_irq(&tp->lock); 2826 spin_lock_irq(&tp->lock);
2826 2827
2827 RTL_W8(Cfg9346, Cfg9346_Unlock); 2828 RTL_W8(Cfg9346, Cfg9346_Unlock);
2829
2828 RTL_W32(MAC4, high); 2830 RTL_W32(MAC4, high);
2831 RTL_R32(MAC4);
2832
2829 RTL_W32(MAC0, low); 2833 RTL_W32(MAC0, low);
2834 RTL_R32(MAC0);
2835
2830 RTL_W8(Cfg9346, Cfg9346_Lock); 2836 RTL_W8(Cfg9346, Cfg9346_Lock);
2831 2837
2832 spin_unlock_irq(&tp->lock); 2838 spin_unlock_irq(&tp->lock);
@@ -3014,9 +3020,8 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3014 goto err_out_free_dev_1; 3020 goto err_out_free_dev_1;
3015 } 3021 }
3016 3022
3017 rc = pci_set_mwi(pdev); 3023 if (pci_set_mwi(pdev) < 0)
3018 if (rc < 0) 3024 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3019 goto err_out_disable_2;
3020 3025
3021 /* make sure PCI base addr 1 is MMIO */ 3026 /* make sure PCI base addr 1 is MMIO */
3022 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) { 3027 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
@@ -3024,7 +3029,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3024 "region #%d not an MMIO resource, aborting\n", 3029 "region #%d not an MMIO resource, aborting\n",
3025 region); 3030 region);
3026 rc = -ENODEV; 3031 rc = -ENODEV;
3027 goto err_out_mwi_3; 3032 goto err_out_mwi_2;
3028 } 3033 }
3029 3034
3030 /* check for weird/broken PCI region reporting */ 3035 /* check for weird/broken PCI region reporting */
@@ -3032,13 +3037,13 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3032 netif_err(tp, probe, dev, 3037 netif_err(tp, probe, dev,
3033 "Invalid PCI region size(s), aborting\n"); 3038 "Invalid PCI region size(s), aborting\n");
3034 rc = -ENODEV; 3039 rc = -ENODEV;
3035 goto err_out_mwi_3; 3040 goto err_out_mwi_2;
3036 } 3041 }
3037 3042
3038 rc = pci_request_regions(pdev, MODULENAME); 3043 rc = pci_request_regions(pdev, MODULENAME);
3039 if (rc < 0) { 3044 if (rc < 0) {
3040 netif_err(tp, probe, dev, "could not request regions\n"); 3045 netif_err(tp, probe, dev, "could not request regions\n");
3041 goto err_out_mwi_3; 3046 goto err_out_mwi_2;
3042 } 3047 }
3043 3048
3044 tp->cp_cmd = PCIMulRW | RxChkSum; 3049 tp->cp_cmd = PCIMulRW | RxChkSum;
@@ -3051,7 +3056,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3051 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 3056 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3052 if (rc < 0) { 3057 if (rc < 0) {
3053 netif_err(tp, probe, dev, "DMA configuration failed\n"); 3058 netif_err(tp, probe, dev, "DMA configuration failed\n");
3054 goto err_out_free_res_4; 3059 goto err_out_free_res_3;
3055 } 3060 }
3056 } 3061 }
3057 3062
@@ -3060,7 +3065,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3060 if (!ioaddr) { 3065 if (!ioaddr) {
3061 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n"); 3066 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3062 rc = -EIO; 3067 rc = -EIO;
3063 goto err_out_free_res_4; 3068 goto err_out_free_res_3;
3064 } 3069 }
3065 3070
3066 tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); 3071 tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
@@ -3102,7 +3107,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3102 if (i == ARRAY_SIZE(rtl_chip_info)) { 3107 if (i == ARRAY_SIZE(rtl_chip_info)) {
3103 dev_err(&pdev->dev, 3108 dev_err(&pdev->dev,
3104 "driver bug, MAC version not found in rtl_chip_info\n"); 3109 "driver bug, MAC version not found in rtl_chip_info\n");
3105 goto err_out_msi_5; 3110 goto err_out_msi_4;
3106 } 3111 }
3107 tp->chipset = i; 3112 tp->chipset = i;
3108 3113
@@ -3167,7 +3172,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3167 3172
3168 rc = register_netdev(dev); 3173 rc = register_netdev(dev);
3169 if (rc < 0) 3174 if (rc < 0)
3170 goto err_out_msi_5; 3175 goto err_out_msi_4;
3171 3176
3172 pci_set_drvdata(pdev, dev); 3177 pci_set_drvdata(pdev, dev);
3173 3178
@@ -3190,14 +3195,13 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3190out: 3195out:
3191 return rc; 3196 return rc;
3192 3197
3193err_out_msi_5: 3198err_out_msi_4:
3194 rtl_disable_msi(pdev, tp); 3199 rtl_disable_msi(pdev, tp);
3195 iounmap(ioaddr); 3200 iounmap(ioaddr);
3196err_out_free_res_4: 3201err_out_free_res_3:
3197 pci_release_regions(pdev); 3202 pci_release_regions(pdev);
3198err_out_mwi_3: 3203err_out_mwi_2:
3199 pci_clear_mwi(pdev); 3204 pci_clear_mwi(pdev);
3200err_out_disable_2:
3201 pci_disable_device(pdev); 3205 pci_disable_device(pdev);
3202err_out_free_dev_1: 3206err_out_free_dev_1:
3203 free_netdev(dev); 3207 free_netdev(dev);
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 6486657c47b8..649a264d6a81 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1861,6 +1861,7 @@ out:
1861 } 1861 }
1862 1862
1863 if (disabled) { 1863 if (disabled) {
1864 dev_close(efx->net_dev);
1864 EFX_ERR(efx, "has been disabled\n"); 1865 EFX_ERR(efx, "has been disabled\n");
1865 efx->state = STATE_DISABLED; 1866 efx->state = STATE_DISABLED;
1866 } else { 1867 } else {
@@ -1884,8 +1885,7 @@ static void efx_reset_work(struct work_struct *data)
1884 } 1885 }
1885 1886
1886 rtnl_lock(); 1887 rtnl_lock();
1887 if (efx_reset(efx, efx->reset_pending)) 1888 (void)efx_reset(efx, efx->reset_pending);
1888 dev_close(efx->net_dev);
1889 rtnl_unlock(); 1889 rtnl_unlock();
1890} 1890}
1891 1891
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index d294d66fd600..08278e7302b3 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1320,7 +1320,9 @@ static int falcon_probe_nvconfig(struct efx_nic *efx)
1320 1320
1321 EFX_LOG(efx, "PHY is %d phy_id %d\n", efx->phy_type, efx->mdio.prtad); 1321 EFX_LOG(efx, "PHY is %d phy_id %d\n", efx->phy_type, efx->mdio.prtad);
1322 1322
1323 falcon_probe_board(efx, board_rev); 1323 rc = falcon_probe_board(efx, board_rev);
1324 if (rc)
1325 goto fail2;
1324 1326
1325 kfree(nvconfig); 1327 kfree(nvconfig);
1326 return 0; 1328 return 0;
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c
index 5712fddd72f2..c7a933a3292e 100644
--- a/drivers/net/sfc/falcon_boards.c
+++ b/drivers/net/sfc/falcon_boards.c
@@ -728,15 +728,7 @@ static const struct falcon_board_type board_types[] = {
728 }, 728 },
729}; 729};
730 730
731static const struct falcon_board_type falcon_dummy_board = { 731int falcon_probe_board(struct efx_nic *efx, u16 revision_info)
732 .init = efx_port_dummy_op_int,
733 .init_phy = efx_port_dummy_op_void,
734 .fini = efx_port_dummy_op_void,
735 .set_id_led = efx_port_dummy_op_set_id_led,
736 .monitor = efx_port_dummy_op_int,
737};
738
739void falcon_probe_board(struct efx_nic *efx, u16 revision_info)
740{ 732{
741 struct falcon_board *board = falcon_board(efx); 733 struct falcon_board *board = falcon_board(efx);
742 u8 type_id = FALCON_BOARD_TYPE(revision_info); 734 u8 type_id = FALCON_BOARD_TYPE(revision_info);
@@ -754,8 +746,9 @@ void falcon_probe_board(struct efx_nic *efx, u16 revision_info)
754 (efx->pci_dev->subsystem_vendor == EFX_VENDID_SFC) 746 (efx->pci_dev->subsystem_vendor == EFX_VENDID_SFC)
755 ? board->type->ref_model : board->type->gen_type, 747 ? board->type->ref_model : board->type->gen_type,
756 'A' + board->major, board->minor); 748 'A' + board->major, board->minor);
749 return 0;
757 } else { 750 } else {
758 EFX_ERR(efx, "unknown board type %d\n", type_id); 751 EFX_ERR(efx, "unknown board type %d\n", type_id);
759 board->type = &falcon_dummy_board; 752 return -ENODEV;
760 } 753 }
761} 754}
diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h
index 9351c0331a47..3166bafdfbef 100644
--- a/drivers/net/sfc/nic.h
+++ b/drivers/net/sfc/nic.h
@@ -156,7 +156,7 @@ extern struct efx_nic_type siena_a0_nic_type;
156 ************************************************************************** 156 **************************************************************************
157 */ 157 */
158 158
159extern void falcon_probe_board(struct efx_nic *efx, u16 revision_info); 159extern int falcon_probe_board(struct efx_nic *efx, u16 revision_info);
160 160
161/* TX data path */ 161/* TX data path */
162extern int efx_nic_probe_tx(struct efx_tx_queue *tx_queue); 162extern int efx_nic_probe_tx(struct efx_tx_queue *tx_queue);
diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c
index 38dcc42c4f79..e0c46f59d1f8 100644
--- a/drivers/net/sfc/siena.c
+++ b/drivers/net/sfc/siena.c
@@ -456,8 +456,17 @@ static int siena_try_update_nic_stats(struct efx_nic *efx)
456 456
457static void siena_update_nic_stats(struct efx_nic *efx) 457static void siena_update_nic_stats(struct efx_nic *efx)
458{ 458{
459 while (siena_try_update_nic_stats(efx) == -EAGAIN) 459 int retry;
460 cpu_relax(); 460
461 /* If we're unlucky enough to read statistics wduring the DMA, wait
462 * up to 10ms for it to finish (typically takes <500us) */
463 for (retry = 0; retry < 100; ++retry) {
464 if (siena_try_update_nic_stats(efx) == 0)
465 return;
466 udelay(100);
467 }
468
469 /* Use the old values instead */
461} 470}
462 471
463static void siena_start_nic_stats(struct efx_nic *efx) 472static void siena_start_nic_stats(struct efx_nic *efx)
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 22cf1c446de3..ecc41cffb470 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -8633,6 +8633,7 @@ static int tg3_test_msi(struct tg3 *tp)
8633 pci_disable_msi(tp->pdev); 8633 pci_disable_msi(tp->pdev);
8634 8634
8635 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI; 8635 tp->tg3_flags2 &= ~TG3_FLG2_USING_MSI;
8636 tp->napi[0].irq_vec = tp->pdev->irq;
8636 8637
8637 err = tg3_request_irq(tp, 0); 8638 err = tg3_request_irq(tp, 0);
8638 if (err) 8639 if (err)
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 63be4caec70e..5d58abc224f4 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -397,4 +397,14 @@ config USB_IPHETH
397 397
398 For more information: http://giagio.com/wiki/moin.cgi/iPhoneEthernetDriver 398 For more information: http://giagio.com/wiki/moin.cgi/iPhoneEthernetDriver
399 399
400config USB_SIERRA_NET
401 tristate "USB-to-WWAN Driver for Sierra Wireless modems"
402 depends on USB_USBNET
403 default y
404 help
405 Choose this option if you have a Sierra Wireless USB-to-WWAN device.
406
407 To compile this driver as a module, choose M here: the
408 module will be called sierra_net.
409
400endmenu 410endmenu
diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile
index edb09c0ddf8e..b13a279663ba 100644
--- a/drivers/net/usb/Makefile
+++ b/drivers/net/usb/Makefile
@@ -24,4 +24,5 @@ obj-$(CONFIG_USB_USBNET) += usbnet.o
24obj-$(CONFIG_USB_NET_INT51X1) += int51x1.o 24obj-$(CONFIG_USB_NET_INT51X1) += int51x1.o
25obj-$(CONFIG_USB_CDC_PHONET) += cdc-phonet.o 25obj-$(CONFIG_USB_CDC_PHONET) += cdc-phonet.o
26obj-$(CONFIG_USB_IPHETH) += ipheth.o 26obj-$(CONFIG_USB_IPHETH) += ipheth.o
27obj-$(CONFIG_USB_SIERRA_NET) += sierra_net.o
27 28
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index c8cdb7f30adc..3547cf13d219 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -431,6 +431,7 @@ static const struct driver_info mbm_info = {
431 .bind = cdc_bind, 431 .bind = cdc_bind,
432 .unbind = usbnet_cdc_unbind, 432 .unbind = usbnet_cdc_unbind,
433 .status = cdc_status, 433 .status = cdc_status,
434 .manage_power = cdc_manage_power,
434}; 435};
435 436
436/*-------------------------------------------------------------------------*/ 437/*-------------------------------------------------------------------------*/
diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
index fd1033130a81..418825d26f90 100644
--- a/drivers/net/usb/ipheth.c
+++ b/drivers/net/usb/ipheth.c
@@ -122,25 +122,25 @@ static int ipheth_alloc_urbs(struct ipheth_device *iphone)
122 122
123 tx_urb = usb_alloc_urb(0, GFP_KERNEL); 123 tx_urb = usb_alloc_urb(0, GFP_KERNEL);
124 if (tx_urb == NULL) 124 if (tx_urb == NULL)
125 goto error; 125 goto error_nomem;
126 126
127 rx_urb = usb_alloc_urb(0, GFP_KERNEL); 127 rx_urb = usb_alloc_urb(0, GFP_KERNEL);
128 if (rx_urb == NULL) 128 if (rx_urb == NULL)
129 goto error; 129 goto free_tx_urb;
130 130
131 tx_buf = usb_buffer_alloc(iphone->udev, 131 tx_buf = usb_buffer_alloc(iphone->udev,
132 IPHETH_BUF_SIZE, 132 IPHETH_BUF_SIZE,
133 GFP_KERNEL, 133 GFP_KERNEL,
134 &tx_urb->transfer_dma); 134 &tx_urb->transfer_dma);
135 if (tx_buf == NULL) 135 if (tx_buf == NULL)
136 goto error; 136 goto free_rx_urb;
137 137
138 rx_buf = usb_buffer_alloc(iphone->udev, 138 rx_buf = usb_buffer_alloc(iphone->udev,
139 IPHETH_BUF_SIZE, 139 IPHETH_BUF_SIZE,
140 GFP_KERNEL, 140 GFP_KERNEL,
141 &rx_urb->transfer_dma); 141 &rx_urb->transfer_dma);
142 if (rx_buf == NULL) 142 if (rx_buf == NULL)
143 goto error; 143 goto free_tx_buf;
144 144
145 145
146 iphone->tx_urb = tx_urb; 146 iphone->tx_urb = tx_urb;
@@ -149,13 +149,14 @@ static int ipheth_alloc_urbs(struct ipheth_device *iphone)
149 iphone->rx_buf = rx_buf; 149 iphone->rx_buf = rx_buf;
150 return 0; 150 return 0;
151 151
152error: 152free_tx_buf:
153 usb_buffer_free(iphone->udev, IPHETH_BUF_SIZE, rx_buf,
154 rx_urb->transfer_dma);
155 usb_buffer_free(iphone->udev, IPHETH_BUF_SIZE, tx_buf, 153 usb_buffer_free(iphone->udev, IPHETH_BUF_SIZE, tx_buf,
156 tx_urb->transfer_dma); 154 tx_urb->transfer_dma);
155free_rx_urb:
157 usb_free_urb(rx_urb); 156 usb_free_urb(rx_urb);
157free_tx_urb:
158 usb_free_urb(tx_urb); 158 usb_free_urb(tx_urb);
159error_nomem:
159 return -ENOMEM; 160 return -ENOMEM;
160} 161}
161 162
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 52671ea043a7..c4c334d9770f 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -145,6 +145,7 @@ static struct usb_device_id usb_klsi_table[] = {
145 { USB_DEVICE(0x0707, 0x0100) }, /* SMC 2202USB */ 145 { USB_DEVICE(0x0707, 0x0100) }, /* SMC 2202USB */
146 { USB_DEVICE(0x07aa, 0x0001) }, /* Correga K.K. */ 146 { USB_DEVICE(0x07aa, 0x0001) }, /* Correga K.K. */
147 { USB_DEVICE(0x07b8, 0x4000) }, /* D-Link DU-E10 */ 147 { USB_DEVICE(0x07b8, 0x4000) }, /* D-Link DU-E10 */
148 { USB_DEVICE(0x07c9, 0xb010) }, /* Allied Telesyn AT-USB10 USB Ethernet Adapter */
148 { USB_DEVICE(0x0846, 0x1001) }, /* NetGear EA-101 */ 149 { USB_DEVICE(0x0846, 0x1001) }, /* NetGear EA-101 */
149 { USB_DEVICE(0x0846, 0x1002) }, /* NetGear EA-101 */ 150 { USB_DEVICE(0x0846, 0x1002) }, /* NetGear EA-101 */
150 { USB_DEVICE(0x085a, 0x0008) }, /* PortGear Ethernet Adapter */ 151 { USB_DEVICE(0x085a, 0x0008) }, /* PortGear Ethernet Adapter */
diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
new file mode 100644
index 000000000000..a44f9e0ea098
--- /dev/null
+++ b/drivers/net/usb/sierra_net.c
@@ -0,0 +1,1001 @@
1/*
2 * USB-to-WWAN Driver for Sierra Wireless modems
3 *
4 * Copyright (C) 2008, 2009, 2010 Paxton Smith, Matthew Safar, Rory Filer
5 * <linux@sierrawireless.com>
6 *
7 * Portions of this based on the cdc_ether driver by David Brownell (2003-2005)
8 * and Ole Andre Vadla Ravnas (ActiveSync) (2006).
9 *
10 * IMPORTANT DISCLAIMER: This driver is not commercially supported by
11 * Sierra Wireless. Use at your own risk.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 */
27
28#define DRIVER_VERSION "v.2.0"
29#define DRIVER_AUTHOR "Paxton Smith, Matthew Safar, Rory Filer"
30#define DRIVER_DESC "USB-to-WWAN Driver for Sierra Wireless modems"
31static const char driver_name[] = "sierra_net";
32
33/* if defined debug messages enabled */
34/*#define DEBUG*/
35
36#include <linux/module.h>
37#include <linux/etherdevice.h>
38#include <linux/ethtool.h>
39#include <linux/mii.h>
40#include <linux/sched.h>
41#include <linux/timer.h>
42#include <linux/usb.h>
43#include <linux/usb/cdc.h>
44#include <net/ip.h>
45#include <net/udp.h>
46#include <asm/unaligned.h>
47#include <linux/usb/usbnet.h>
48
49#define SWI_USB_REQUEST_GET_FW_ATTR 0x06
50#define SWI_GET_FW_ATTR_MASK 0x08
51
52/* atomic counter partially included in MAC address to make sure 2 devices
53 * do not end up with the same MAC - concept breaks in case of > 255 ifaces
54 */
55static atomic_t iface_counter = ATOMIC_INIT(0);
56
57/*
58 * SYNC Timer Delay definition used to set the expiry time
59 */
60#define SIERRA_NET_SYNCDELAY (2*HZ)
61
62/* Max. MTU supported. The modem buffers are limited to 1500 */
63#define SIERRA_NET_MAX_SUPPORTED_MTU 1500
64
65/* The SIERRA_NET_USBCTL_BUF_LEN defines a buffer size allocated for control
66 * message reception ... and thus the max. received packet.
67 * (May be the cause for parse_hip returning -EINVAL)
68 */
69#define SIERRA_NET_USBCTL_BUF_LEN 1024
70
71/* list of interface numbers - used for constructing interface lists */
72struct sierra_net_iface_info {
73 const u32 infolen; /* number of interface numbers on list */
74 const u8 *ifaceinfo; /* pointer to the array holding the numbers */
75};
76
77struct sierra_net_info_data {
78 u16 rx_urb_size;
79 struct sierra_net_iface_info whitelist;
80};
81
82/* Private data structure */
83struct sierra_net_data {
84
85 u8 ethr_hdr_tmpl[ETH_HLEN]; /* ethernet header template for rx'd pkts */
86
87 u16 link_up; /* air link up or down */
88 u8 tx_hdr_template[4]; /* part of HIP hdr for tx'd packets */
89
90 u8 sync_msg[4]; /* SYNC message */
91 u8 shdwn_msg[4]; /* Shutdown message */
92
93 /* Backpointer to the container */
94 struct usbnet *usbnet;
95
96 u8 ifnum; /* interface number */
97
98/* Bit masks, must be a power of 2 */
99#define SIERRA_NET_EVENT_RESP_AVAIL 0x01
100#define SIERRA_NET_TIMER_EXPIRY 0x02
101 unsigned long kevent_flags;
102 struct work_struct sierra_net_kevent;
103 struct timer_list sync_timer; /* For retrying SYNC sequence */
104};
105
106struct param {
107 int is_present;
108 union {
109 void *ptr;
110 u32 dword;
111 u16 word;
112 u8 byte;
113 };
114};
115
116/* HIP message type */
117#define SIERRA_NET_HIP_EXTENDEDID 0x7F
118#define SIERRA_NET_HIP_HSYNC_ID 0x60 /* Modem -> host */
119#define SIERRA_NET_HIP_RESTART_ID 0x62 /* Modem -> host */
120#define SIERRA_NET_HIP_MSYNC_ID 0x20 /* Host -> modem */
121#define SIERRA_NET_HIP_SHUTD_ID 0x26 /* Host -> modem */
122
123#define SIERRA_NET_HIP_EXT_IP_IN_ID 0x0202
124#define SIERRA_NET_HIP_EXT_IP_OUT_ID 0x0002
125
126/* 3G UMTS Link Sense Indication definitions */
127#define SIERRA_NET_HIP_LSI_UMTSID 0x78
128
129/* Reverse Channel Grant Indication HIP message */
130#define SIERRA_NET_HIP_RCGI 0x64
131
132/* LSI Protocol types */
133#define SIERRA_NET_PROTOCOL_UMTS 0x01
134/* LSI Coverage */
135#define SIERRA_NET_COVERAGE_NONE 0x00
136#define SIERRA_NET_COVERAGE_NOPACKET 0x01
137
138/* LSI Session */
139#define SIERRA_NET_SESSION_IDLE 0x00
140/* LSI Link types */
141#define SIERRA_NET_AS_LINK_TYPE_IPv4 0x00
142
143struct lsi_umts {
144 u8 protocol;
145 u8 unused1;
146 __be16 length;
147 /* eventually use a union for the rest - assume umts for now */
148 u8 coverage;
149 u8 unused2[41];
150 u8 session_state;
151 u8 unused3[33];
152 u8 link_type;
153 u8 pdp_addr_len; /* NW-supplied PDP address len */
154 u8 pdp_addr[16]; /* NW-supplied PDP address (bigendian)) */
155 u8 unused4[23];
156 u8 dns1_addr_len; /* NW-supplied 1st DNS address len (bigendian) */
157 u8 dns1_addr[16]; /* NW-supplied 1st DNS address */
158 u8 dns2_addr_len; /* NW-supplied 2nd DNS address len */
159 u8 dns2_addr[16]; /* NW-supplied 2nd DNS address (bigendian)*/
160 u8 wins1_addr_len; /* NW-supplied 1st Wins address len */
161 u8 wins1_addr[16]; /* NW-supplied 1st Wins address (bigendian)*/
162 u8 wins2_addr_len; /* NW-supplied 2nd Wins address len */
163 u8 wins2_addr[16]; /* NW-supplied 2nd Wins address (bigendian) */
164 u8 unused5[4];
165 u8 gw_addr_len; /* NW-supplied GW address len */
166 u8 gw_addr[16]; /* NW-supplied GW address (bigendian) */
167 u8 reserved[8];
168} __attribute__ ((packed));
169
170#define SIERRA_NET_LSI_COMMON_LEN 4
171#define SIERRA_NET_LSI_UMTS_LEN (sizeof(struct lsi_umts))
172#define SIERRA_NET_LSI_UMTS_STATUS_LEN \
173 (SIERRA_NET_LSI_UMTS_LEN - SIERRA_NET_LSI_COMMON_LEN)
174
175/* Forward definitions */
176static void sierra_sync_timer(unsigned long syncdata);
177static int sierra_net_change_mtu(struct net_device *net, int new_mtu);
178
179/* Our own net device operations structure */
180static const struct net_device_ops sierra_net_device_ops = {
181 .ndo_open = usbnet_open,
182 .ndo_stop = usbnet_stop,
183 .ndo_start_xmit = usbnet_start_xmit,
184 .ndo_tx_timeout = usbnet_tx_timeout,
185 .ndo_change_mtu = sierra_net_change_mtu,
186 .ndo_set_mac_address = eth_mac_addr,
187 .ndo_validate_addr = eth_validate_addr,
188};
189
190/* get private data associated with passed in usbnet device */
191static inline struct sierra_net_data *sierra_net_get_private(struct usbnet *dev)
192{
193 return (struct sierra_net_data *)dev->data[0];
194}
195
196/* set private data associated with passed in usbnet device */
197static inline void sierra_net_set_private(struct usbnet *dev,
198 struct sierra_net_data *priv)
199{
200 dev->data[0] = (unsigned long)priv;
201}
202
203/* is packet IPv4 */
204static inline int is_ip(struct sk_buff *skb)
205{
206 return (skb->protocol == cpu_to_be16(ETH_P_IP));
207}
208
209/*
210 * check passed in packet and make sure that:
211 * - it is linear (no scatter/gather)
212 * - it is ethernet (mac_header properly set)
213 */
214static int check_ethip_packet(struct sk_buff *skb, struct usbnet *dev)
215{
216 skb_reset_mac_header(skb); /* ethernet header */
217
218 if (skb_is_nonlinear(skb)) {
219 netdev_err(dev->net, "Non linear buffer-dropping\n");
220 return 0;
221 }
222
223 if (!pskb_may_pull(skb, ETH_HLEN))
224 return 0;
225 skb->protocol = eth_hdr(skb)->h_proto;
226
227 return 1;
228}
229
230static const u8 *save16bit(struct param *p, const u8 *datap)
231{
232 p->is_present = 1;
233 p->word = get_unaligned_be16(datap);
234 return datap + sizeof(p->word);
235}
236
237static const u8 *save8bit(struct param *p, const u8 *datap)
238{
239 p->is_present = 1;
240 p->byte = *datap;
241 return datap + sizeof(p->byte);
242}
243
244/*----------------------------------------------------------------------------*
245 * BEGIN HIP *
246 *----------------------------------------------------------------------------*/
247/* HIP header */
248#define SIERRA_NET_HIP_HDR_LEN 4
249/* Extended HIP header */
250#define SIERRA_NET_HIP_EXT_HDR_LEN 6
251
252struct hip_hdr {
253 int hdrlen;
254 struct param payload_len;
255 struct param msgid;
256 struct param msgspecific;
257 struct param extmsgid;
258};
259
260static int parse_hip(const u8 *buf, const u32 buflen, struct hip_hdr *hh)
261{
262 const u8 *curp = buf;
263 int padded;
264
265 if (buflen < SIERRA_NET_HIP_HDR_LEN)
266 return -EPROTO;
267
268 curp = save16bit(&hh->payload_len, curp);
269 curp = save8bit(&hh->msgid, curp);
270 curp = save8bit(&hh->msgspecific, curp);
271
272 padded = hh->msgid.byte & 0x80;
273 hh->msgid.byte &= 0x7F; /* 7 bits */
274
275 hh->extmsgid.is_present = (hh->msgid.byte == SIERRA_NET_HIP_EXTENDEDID);
276 if (hh->extmsgid.is_present) {
277 if (buflen < SIERRA_NET_HIP_EXT_HDR_LEN)
278 return -EPROTO;
279
280 hh->payload_len.word &= 0x3FFF; /* 14 bits */
281
282 curp = save16bit(&hh->extmsgid, curp);
283 hh->extmsgid.word &= 0x03FF; /* 10 bits */
284
285 hh->hdrlen = SIERRA_NET_HIP_EXT_HDR_LEN;
286 } else {
287 hh->payload_len.word &= 0x07FF; /* 11 bits */
288 hh->hdrlen = SIERRA_NET_HIP_HDR_LEN;
289 }
290
291 if (padded) {
292 hh->hdrlen++;
293 hh->payload_len.word--;
294 }
295
296 /* if real packet shorter than the claimed length */
297 if (buflen < (hh->hdrlen + hh->payload_len.word))
298 return -EINVAL;
299
300 return 0;
301}
302
303static void build_hip(u8 *buf, const u16 payloadlen,
304 struct sierra_net_data *priv)
305{
306 /* the following doesn't have the full functionality. We
307 * currently build only one kind of header, so it is faster this way
308 */
309 put_unaligned_be16(payloadlen, buf);
310 memcpy(buf+2, priv->tx_hdr_template, sizeof(priv->tx_hdr_template));
311}
312/*----------------------------------------------------------------------------*
313 * END HIP *
314 *----------------------------------------------------------------------------*/
315
316static int sierra_net_send_cmd(struct usbnet *dev,
317 u8 *cmd, int cmdlen, const char * cmd_name)
318{
319 struct sierra_net_data *priv = sierra_net_get_private(dev);
320 int status;
321
322 status = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
323 USB_CDC_SEND_ENCAPSULATED_COMMAND,
324 USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE, 0,
325 priv->ifnum, cmd, cmdlen, USB_CTRL_SET_TIMEOUT);
326
327 if (status != cmdlen && status != -ENODEV)
328 netdev_err(dev->net, "Submit %s failed %d\n", cmd_name, status);
329
330 return status;
331}
332
333static int sierra_net_send_sync(struct usbnet *dev)
334{
335 int status;
336 struct sierra_net_data *priv = sierra_net_get_private(dev);
337
338 dev_dbg(&dev->udev->dev, "%s", __func__);
339
340 status = sierra_net_send_cmd(dev, priv->sync_msg,
341 sizeof(priv->sync_msg), "SYNC");
342
343 return status;
344}
345
346static void sierra_net_set_ctx_index(struct sierra_net_data *priv, u8 ctx_ix)
347{
348 dev_dbg(&(priv->usbnet->udev->dev), "%s %d", __func__, ctx_ix);
349 priv->tx_hdr_template[0] = 0x3F;
350 priv->tx_hdr_template[1] = ctx_ix;
351 *((u16 *)&priv->tx_hdr_template[2]) =
352 cpu_to_be16(SIERRA_NET_HIP_EXT_IP_OUT_ID);
353}
354
355static inline int sierra_net_is_valid_addrlen(u8 len)
356{
357 return (len == sizeof(struct in_addr));
358}
359
360static int sierra_net_parse_lsi(struct usbnet *dev, char *data, int datalen)
361{
362 struct lsi_umts *lsi = (struct lsi_umts *)data;
363
364 if (datalen < sizeof(struct lsi_umts)) {
365 netdev_err(dev->net, "%s: Data length %d, exp %Zu\n",
366 __func__, datalen,
367 sizeof(struct lsi_umts));
368 return -1;
369 }
370
371 if (lsi->length != cpu_to_be16(SIERRA_NET_LSI_UMTS_STATUS_LEN)) {
372 netdev_err(dev->net, "%s: LSI_UMTS_STATUS_LEN %d, exp %u\n",
373 __func__, be16_to_cpu(lsi->length),
374 (u32)SIERRA_NET_LSI_UMTS_STATUS_LEN);
375 return -1;
376 }
377
378 /* Validate the protocol - only support UMTS for now */
379 if (lsi->protocol != SIERRA_NET_PROTOCOL_UMTS) {
380 netdev_err(dev->net, "Protocol unsupported, 0x%02x\n",
381 lsi->protocol);
382 return -1;
383 }
384
385 /* Validate the link type */
386 if (lsi->link_type != SIERRA_NET_AS_LINK_TYPE_IPv4) {
387 netdev_err(dev->net, "Link type unsupported: 0x%02x\n",
388 lsi->link_type);
389 return -1;
390 }
391
392 /* Validate the coverage */
393 if (lsi->coverage == SIERRA_NET_COVERAGE_NONE
394 || lsi->coverage == SIERRA_NET_COVERAGE_NOPACKET) {
395 netdev_err(dev->net, "No coverage, 0x%02x\n", lsi->coverage);
396 return 0;
397 }
398
399 /* Validate the session state */
400 if (lsi->session_state == SIERRA_NET_SESSION_IDLE) {
401 netdev_err(dev->net, "Session idle, 0x%02x\n",
402 lsi->session_state);
403 return 0;
404 }
405
406 /* Set link_sense true */
407 return 1;
408}
409
410static void sierra_net_handle_lsi(struct usbnet *dev, char *data,
411 struct hip_hdr *hh)
412{
413 struct sierra_net_data *priv = sierra_net_get_private(dev);
414 int link_up;
415
416 link_up = sierra_net_parse_lsi(dev, data + hh->hdrlen,
417 hh->payload_len.word);
418 if (link_up < 0) {
419 netdev_err(dev->net, "Invalid LSI\n");
420 return;
421 }
422 if (link_up) {
423 sierra_net_set_ctx_index(priv, hh->msgspecific.byte);
424 priv->link_up = 1;
425 netif_carrier_on(dev->net);
426 } else {
427 priv->link_up = 0;
428 netif_carrier_off(dev->net);
429 }
430}
431
432static void sierra_net_dosync(struct usbnet *dev)
433{
434 int status;
435 struct sierra_net_data *priv = sierra_net_get_private(dev);
436
437 dev_dbg(&dev->udev->dev, "%s", __func__);
438
439 /* tell modem we are ready */
440 status = sierra_net_send_sync(dev);
441 if (status < 0)
442 netdev_err(dev->net,
443 "Send SYNC failed, status %d\n", status);
444 status = sierra_net_send_sync(dev);
445 if (status < 0)
446 netdev_err(dev->net,
447 "Send SYNC failed, status %d\n", status);
448
449 /* Now, start a timer and make sure we get the Restart Indication */
450 priv->sync_timer.function = sierra_sync_timer;
451 priv->sync_timer.data = (unsigned long) dev;
452 priv->sync_timer.expires = jiffies + SIERRA_NET_SYNCDELAY;
453 add_timer(&priv->sync_timer);
454}
455
456static void sierra_net_kevent(struct work_struct *work)
457{
458 struct sierra_net_data *priv =
459 container_of(work, struct sierra_net_data, sierra_net_kevent);
460 struct usbnet *dev = priv->usbnet;
461 int len;
462 int err;
463 u8 *buf;
464 u8 ifnum;
465
466 if (test_bit(SIERRA_NET_EVENT_RESP_AVAIL, &priv->kevent_flags)) {
467 clear_bit(SIERRA_NET_EVENT_RESP_AVAIL, &priv->kevent_flags);
468
469 /* Query the modem for the LSI message */
470 buf = kzalloc(SIERRA_NET_USBCTL_BUF_LEN, GFP_KERNEL);
471 if (!buf) {
472 netdev_err(dev->net,
473 "failed to allocate buf for LS msg\n");
474 return;
475 }
476 ifnum = priv->ifnum;
477 len = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
478 USB_CDC_GET_ENCAPSULATED_RESPONSE,
479 USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE,
480 0, ifnum, buf, SIERRA_NET_USBCTL_BUF_LEN,
481 USB_CTRL_SET_TIMEOUT);
482
483 if (len < 0) {
484 netdev_err(dev->net,
485 "usb_control_msg failed, status %d\n", len);
486 } else {
487 struct hip_hdr hh;
488
489 dev_dbg(&dev->udev->dev, "%s: Received status message,"
490 " %04x bytes", __func__, len);
491
492 err = parse_hip(buf, len, &hh);
493 if (err) {
494 netdev_err(dev->net, "%s: Bad packet,"
495 " parse result %d\n", __func__, err);
496 kfree(buf);
497 return;
498 }
499
500 /* Validate packet length */
501 if (len != hh.hdrlen + hh.payload_len.word) {
502 netdev_err(dev->net, "%s: Bad packet, received"
503 " %d, expected %d\n", __func__, len,
504 hh.hdrlen + hh.payload_len.word);
505 kfree(buf);
506 return;
507 }
508
509 /* Switch on received message types */
510 switch (hh.msgid.byte) {
511 case SIERRA_NET_HIP_LSI_UMTSID:
512 dev_dbg(&dev->udev->dev, "LSI for ctx:%d",
513 hh.msgspecific.byte);
514 sierra_net_handle_lsi(dev, buf, &hh);
515 break;
516 case SIERRA_NET_HIP_RESTART_ID:
517 dev_dbg(&dev->udev->dev, "Restart reported: %d,"
518 " stopping sync timer",
519 hh.msgspecific.byte);
520 /* Got sync resp - stop timer & clear mask */
521 del_timer_sync(&priv->sync_timer);
522 clear_bit(SIERRA_NET_TIMER_EXPIRY,
523 &priv->kevent_flags);
524 break;
525 case SIERRA_NET_HIP_HSYNC_ID:
526 dev_dbg(&dev->udev->dev, "SYNC received");
527 err = sierra_net_send_sync(dev);
528 if (err < 0)
529 netdev_err(dev->net,
530 "Send SYNC failed %d\n", err);
531 break;
532 case SIERRA_NET_HIP_EXTENDEDID:
533 netdev_err(dev->net, "Unrecognized HIP msg, "
534 "extmsgid 0x%04x\n", hh.extmsgid.word);
535 break;
536 case SIERRA_NET_HIP_RCGI:
537 /* Ignored */
538 break;
539 default:
540 netdev_err(dev->net, "Unrecognized HIP msg, "
541 "msgid 0x%02x\n", hh.msgid.byte);
542 break;
543 }
544 }
545 kfree(buf);
546 }
547 /* The sync timer bit might be set */
548 if (test_bit(SIERRA_NET_TIMER_EXPIRY, &priv->kevent_flags)) {
549 clear_bit(SIERRA_NET_TIMER_EXPIRY, &priv->kevent_flags);
550 dev_dbg(&dev->udev->dev, "Deferred sync timer expiry");
551 sierra_net_dosync(priv->usbnet);
552 }
553
554 if (priv->kevent_flags)
555 dev_dbg(&dev->udev->dev, "sierra_net_kevent done, "
556 "kevent_flags = 0x%lx", priv->kevent_flags);
557}
558
559static void sierra_net_defer_kevent(struct usbnet *dev, int work)
560{
561 struct sierra_net_data *priv = sierra_net_get_private(dev);
562
563 set_bit(work, &priv->kevent_flags);
564 schedule_work(&priv->sierra_net_kevent);
565}
566
567/*
568 * Sync Retransmit Timer Handler. On expiry, kick the work queue
569 */
570void sierra_sync_timer(unsigned long syncdata)
571{
572 struct usbnet *dev = (struct usbnet *)syncdata;
573
574 dev_dbg(&dev->udev->dev, "%s", __func__);
575 /* Kick the tasklet */
576 sierra_net_defer_kevent(dev, SIERRA_NET_TIMER_EXPIRY);
577}
578
579static void sierra_net_status(struct usbnet *dev, struct urb *urb)
580{
581 struct usb_cdc_notification *event;
582
583 dev_dbg(&dev->udev->dev, "%s", __func__);
584
585 if (urb->actual_length < sizeof *event)
586 return;
587
588 /* Add cases to handle other standard notifications. */
589 event = urb->transfer_buffer;
590 switch (event->bNotificationType) {
591 case USB_CDC_NOTIFY_NETWORK_CONNECTION:
592 case USB_CDC_NOTIFY_SPEED_CHANGE:
593 /* USB 305 sends those */
594 break;
595 case USB_CDC_NOTIFY_RESPONSE_AVAILABLE:
596 sierra_net_defer_kevent(dev, SIERRA_NET_EVENT_RESP_AVAIL);
597 break;
598 default:
599 netdev_err(dev->net, ": unexpected notification %02x!\n",
600 event->bNotificationType);
601 break;
602 }
603}
604
605static void sierra_net_get_drvinfo(struct net_device *net,
606 struct ethtool_drvinfo *info)
607{
608 /* Inherit standard device info */
609 usbnet_get_drvinfo(net, info);
610 strncpy(info->driver, driver_name, sizeof info->driver);
611 strncpy(info->version, DRIVER_VERSION, sizeof info->version);
612}
613
614static u32 sierra_net_get_link(struct net_device *net)
615{
616 struct usbnet *dev = netdev_priv(net);
617 /* Report link is down whenever the interface is down */
618 return sierra_net_get_private(dev)->link_up && netif_running(net);
619}
620
621static struct ethtool_ops sierra_net_ethtool_ops = {
622 .get_drvinfo = sierra_net_get_drvinfo,
623 .get_link = sierra_net_get_link,
624 .get_msglevel = usbnet_get_msglevel,
625 .set_msglevel = usbnet_set_msglevel,
626 .get_settings = usbnet_get_settings,
627 .set_settings = usbnet_set_settings,
628 .nway_reset = usbnet_nway_reset,
629};
630
631/* MTU can not be more than 1500 bytes, enforce it. */
632static int sierra_net_change_mtu(struct net_device *net, int new_mtu)
633{
634 if (new_mtu > SIERRA_NET_MAX_SUPPORTED_MTU)
635 return -EINVAL;
636
637 return usbnet_change_mtu(net, new_mtu);
638}
639
640static int is_whitelisted(const u8 ifnum,
641 const struct sierra_net_iface_info *whitelist)
642{
643 if (whitelist) {
644 const u8 *list = whitelist->ifaceinfo;
645 int i;
646
647 for (i = 0; i < whitelist->infolen; i++) {
648 if (list[i] == ifnum)
649 return 1;
650 }
651 }
652 return 0;
653}
654
655static int sierra_net_get_fw_attr(struct usbnet *dev, u16 *datap)
656{
657 int result = 0;
658 u16 *attrdata;
659
660 attrdata = kmalloc(sizeof(*attrdata), GFP_KERNEL);
661 if (!attrdata)
662 return -ENOMEM;
663
664 result = usb_control_msg(
665 dev->udev,
666 usb_rcvctrlpipe(dev->udev, 0),
667 /* _u8 vendor specific request */
668 SWI_USB_REQUEST_GET_FW_ATTR,
669 USB_DIR_IN | USB_TYPE_VENDOR, /* __u8 request type */
670 0x0000, /* __u16 value not used */
671 0x0000, /* __u16 index not used */
672 attrdata, /* char *data */
673 sizeof(*attrdata), /* __u16 size */
674 USB_CTRL_SET_TIMEOUT); /* int timeout */
675
676 if (result < 0) {
677 kfree(attrdata);
678 return -EIO;
679 }
680
681 *datap = *attrdata;
682
683 kfree(attrdata);
684 return result;
685}
686
687/*
688 * collects the bulk endpoints, the status endpoint.
689 */
690static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf)
691{
692 u8 ifacenum;
693 u8 numendpoints;
694 u16 fwattr = 0;
695 int status;
696 struct ethhdr *eth;
697 struct sierra_net_data *priv;
698 static const u8 sync_tmplate[sizeof(priv->sync_msg)] = {
699 0x00, 0x00, SIERRA_NET_HIP_MSYNC_ID, 0x00};
700 static const u8 shdwn_tmplate[sizeof(priv->shdwn_msg)] = {
701 0x00, 0x00, SIERRA_NET_HIP_SHUTD_ID, 0x00};
702
703 struct sierra_net_info_data *data =
704 (struct sierra_net_info_data *)dev->driver_info->data;
705
706 dev_dbg(&dev->udev->dev, "%s", __func__);
707
708 ifacenum = intf->cur_altsetting->desc.bInterfaceNumber;
709 /* We only accept certain interfaces */
710 if (!is_whitelisted(ifacenum, &data->whitelist)) {
711 dev_dbg(&dev->udev->dev, "Ignoring interface: %d", ifacenum);
712 return -ENODEV;
713 }
714 numendpoints = intf->cur_altsetting->desc.bNumEndpoints;
715 /* We have three endpoints, bulk in and out, and a status */
716 if (numendpoints != 3) {
717 dev_err(&dev->udev->dev, "Expected 3 endpoints, found: %d",
718 numendpoints);
719 return -ENODEV;
720 }
721 /* Status endpoint set in usbnet_get_endpoints() */
722 dev->status = NULL;
723 status = usbnet_get_endpoints(dev, intf);
724 if (status < 0) {
725 dev_err(&dev->udev->dev, "Error in usbnet_get_endpoints (%d)",
726 status);
727 return -ENODEV;
728 }
729 /* Initialize sierra private data */
730 priv = kzalloc(sizeof *priv, GFP_KERNEL);
731 if (!priv) {
732 dev_err(&dev->udev->dev, "No memory");
733 return -ENOMEM;
734 }
735
736 priv->usbnet = dev;
737 priv->ifnum = ifacenum;
738 dev->net->netdev_ops = &sierra_net_device_ops;
739
740 /* change MAC addr to include, ifacenum, and to be unique */
741 dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return(&iface_counter);
742 dev->net->dev_addr[ETH_ALEN-1] = ifacenum;
743
744 /* we will have to manufacture ethernet headers, prepare template */
745 eth = (struct ethhdr *)priv->ethr_hdr_tmpl;
746 memcpy(&eth->h_dest, dev->net->dev_addr, ETH_ALEN);
747 eth->h_proto = cpu_to_be16(ETH_P_IP);
748
749 /* prepare shutdown message template */
750 memcpy(priv->shdwn_msg, shdwn_tmplate, sizeof(priv->shdwn_msg));
751 /* set context index initially to 0 - prepares tx hdr template */
752 sierra_net_set_ctx_index(priv, 0);
753
754 /* decrease the rx_urb_size and max_tx_size to 4k on USB 1.1 */
755 dev->rx_urb_size = data->rx_urb_size;
756 if (dev->udev->speed != USB_SPEED_HIGH)
757 dev->rx_urb_size = min_t(size_t, 4096, data->rx_urb_size);
758
759 dev->net->hard_header_len += SIERRA_NET_HIP_EXT_HDR_LEN;
760 dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
761
762 /* Set up the netdev */
763 dev->net->flags |= IFF_NOARP;
764 dev->net->ethtool_ops = &sierra_net_ethtool_ops;
765 netif_carrier_off(dev->net);
766
767 sierra_net_set_private(dev, priv);
768
769 priv->kevent_flags = 0;
770
771 /* Use the shared workqueue */
772 INIT_WORK(&priv->sierra_net_kevent, sierra_net_kevent);
773
774 /* Only need to do this once */
775 init_timer(&priv->sync_timer);
776
777 /* verify fw attributes */
778 status = sierra_net_get_fw_attr(dev, &fwattr);
779 dev_dbg(&dev->udev->dev, "Fw attr: %x\n", fwattr);
780
781 /* test whether firmware supports DHCP */
782 if (!(status == sizeof(fwattr) && (fwattr & SWI_GET_FW_ATTR_MASK))) {
783 /* found incompatible firmware version */
784 dev_err(&dev->udev->dev, "Incompatible driver and firmware"
785 " versions\n");
786 kfree(priv);
787 return -ENODEV;
788 }
789 /* prepare sync message from template */
790 memcpy(priv->sync_msg, sync_tmplate, sizeof(priv->sync_msg));
791
792 return 0;
793}
794
795static void sierra_net_unbind(struct usbnet *dev, struct usb_interface *intf)
796{
797 int status;
798 struct sierra_net_data *priv = sierra_net_get_private(dev);
799
800 dev_dbg(&dev->udev->dev, "%s", __func__);
801
802 /* Kill the timer then flush the work queue */
803 del_timer_sync(&priv->sync_timer);
804
805 flush_scheduled_work();
806
807 /* tell modem we are going away */
808 status = sierra_net_send_cmd(dev, priv->shdwn_msg,
809 sizeof(priv->shdwn_msg), "Shutdown");
810 if (status < 0)
811 netdev_err(dev->net,
812 "usb_control_msg failed, status %d\n", status);
813
814 sierra_net_set_private(dev, NULL);
815
816 kfree(priv);
817}
818
819static struct sk_buff *sierra_net_skb_clone(struct usbnet *dev,
820 struct sk_buff *skb, int len)
821{
822 struct sk_buff *new_skb;
823
824 /* clone skb */
825 new_skb = skb_clone(skb, GFP_ATOMIC);
826
827 /* remove len bytes from original */
828 skb_pull(skb, len);
829
830 /* trim next packet to it's length */
831 if (new_skb) {
832 skb_trim(new_skb, len);
833 } else {
834 if (netif_msg_rx_err(dev))
835 netdev_err(dev->net, "failed to get skb\n");
836 dev->net->stats.rx_dropped++;
837 }
838
839 return new_skb;
840}
841
842/* ---------------------------- Receive data path ----------------------*/
843static int sierra_net_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
844{
845 int err;
846 struct hip_hdr hh;
847 struct sk_buff *new_skb;
848
849 dev_dbg(&dev->udev->dev, "%s", __func__);
850
851 /* could contain multiple packets */
852 while (likely(skb->len)) {
853 err = parse_hip(skb->data, skb->len, &hh);
854 if (err) {
855 if (netif_msg_rx_err(dev))
856 netdev_err(dev->net, "Invalid HIP header %d\n",
857 err);
858 /* dev->net->stats.rx_errors incremented by caller */
859 dev->net->stats.rx_length_errors++;
860 return 0;
861 }
862
863 /* Validate Extended HIP header */
864 if (!hh.extmsgid.is_present
865 || hh.extmsgid.word != SIERRA_NET_HIP_EXT_IP_IN_ID) {
866 if (netif_msg_rx_err(dev))
867 netdev_err(dev->net, "HIP/ETH: Invalid pkt\n");
868
869 dev->net->stats.rx_frame_errors++;
870 /* dev->net->stats.rx_errors incremented by caller */;
871 return 0;
872 }
873
874 skb_pull(skb, hh.hdrlen);
875
876 /* We are going to accept this packet, prepare it */
877 memcpy(skb->data, sierra_net_get_private(dev)->ethr_hdr_tmpl,
878 ETH_HLEN);
879
880 /* Last packet in batch handled by usbnet */
881 if (hh.payload_len.word == skb->len)
882 return 1;
883
884 new_skb = sierra_net_skb_clone(dev, skb, hh.payload_len.word);
885 if (new_skb)
886 usbnet_skb_return(dev, new_skb);
887
888 } /* while */
889
890 return 0;
891}
892
893/* ---------------------------- Transmit data path ----------------------*/
894struct sk_buff *sierra_net_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
895 gfp_t flags)
896{
897 struct sierra_net_data *priv = sierra_net_get_private(dev);
898 u16 len;
899 bool need_tail;
900
901 dev_dbg(&dev->udev->dev, "%s", __func__);
902 if (priv->link_up && check_ethip_packet(skb, dev) && is_ip(skb)) {
903 /* enough head room as is? */
904 if (SIERRA_NET_HIP_EXT_HDR_LEN <= skb_headroom(skb)) {
905 /* Save the Eth/IP length and set up HIP hdr */
906 len = skb->len;
907 skb_push(skb, SIERRA_NET_HIP_EXT_HDR_LEN);
908 /* Handle ZLP issue */
909 need_tail = ((len + SIERRA_NET_HIP_EXT_HDR_LEN)
910 % dev->maxpacket == 0);
911 if (need_tail) {
912 if (unlikely(skb_tailroom(skb) == 0)) {
913 netdev_err(dev->net, "tx_fixup:"
914 "no room for packet\n");
915 dev_kfree_skb_any(skb);
916 return NULL;
917 } else {
918 skb->data[skb->len] = 0;
919 __skb_put(skb, 1);
920 len = len + 1;
921 }
922 }
923 build_hip(skb->data, len, priv);
924 return skb;
925 } else {
926 /*
927 * compensate in the future if necessary
928 */
929 netdev_err(dev->net, "tx_fixup: no room for HIP\n");
930 } /* headroom */
931 }
932
933 if (!priv->link_up)
934 dev->net->stats.tx_carrier_errors++;
935
936 /* tx_dropped incremented by usbnet */
937
938 /* filter the packet out, release it */
939 dev_kfree_skb_any(skb);
940 return NULL;
941}
942
943static const u8 sierra_net_ifnum_list[] = { 7, 10, 11 };
944static const struct sierra_net_info_data sierra_net_info_data_68A3 = {
945 .rx_urb_size = 8 * 1024,
946 .whitelist = {
947 .infolen = ARRAY_SIZE(sierra_net_ifnum_list),
948 .ifaceinfo = sierra_net_ifnum_list
949 }
950};
951
952static const struct driver_info sierra_net_info_68A3 = {
953 .description = "Sierra Wireless USB-to-WWAN Modem",
954 .flags = FLAG_WWAN | FLAG_SEND_ZLP,
955 .bind = sierra_net_bind,
956 .unbind = sierra_net_unbind,
957 .status = sierra_net_status,
958 .rx_fixup = sierra_net_rx_fixup,
959 .tx_fixup = sierra_net_tx_fixup,
960 .data = (unsigned long)&sierra_net_info_data_68A3,
961};
962
963static const struct usb_device_id products[] = {
964 {USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless USB-to-WWAN modem */
965 .driver_info = (unsigned long) &sierra_net_info_68A3},
966
967 {}, /* last item */
968};
969MODULE_DEVICE_TABLE(usb, products);
970
971/* We are based on usbnet, so let it handle the USB driver specifics */
972static struct usb_driver sierra_net_driver = {
973 .name = "sierra_net",
974 .id_table = products,
975 .probe = usbnet_probe,
976 .disconnect = usbnet_disconnect,
977 .suspend = usbnet_suspend,
978 .resume = usbnet_resume,
979 .no_dynamic_id = 1,
980};
981
982static int __init sierra_net_init(void)
983{
984 BUILD_BUG_ON(FIELD_SIZEOF(struct usbnet, data)
985 < sizeof(struct cdc_state));
986
987 return usb_register(&sierra_net_driver);
988}
989
990static void __exit sierra_net_exit(void)
991{
992 usb_deregister(&sierra_net_driver);
993}
994
995module_exit(sierra_net_exit);
996module_init(sierra_net_init);
997
998MODULE_AUTHOR(DRIVER_AUTHOR);
999MODULE_DESCRIPTION(DRIVER_DESC);
1000MODULE_VERSION(DRIVER_VERSION);
1001MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-20 16:52:51 -0500